Abstract: The Utilization of Cassava Skin (Manihot Esculenta) Become Charcoal Briquettes as Alternative Fuel Substitutes. This research was a quasi experiment and analyze by using One Way Annova. Result of research show that there was a significant difference between endurance of burning with variation of comparison ofraw material cassava peelmade of charcoal briquettes (p=0,000). There was a significant difference between the length of timeit takes toboil water with variation of comparison ofraw material cassava peelmade of charcoalb riquettes (p=0,008). Appropriate comparisonin the manufacture ofpeel cassave charcoal briquetteswas 75% of peelcas savaand25% rice husks. According to the result of research, we can concluded that there was a significant difference between enduring burning and length of timeit takes toboil water with variation of comparison ofraw material cassava peelmade of charcoal briquettes. Suggest for people to utilize cassava peel as an alternativ eraw material for making char coal briquettes.